The Crazyfly front-line with Red Safety works on any year of Crazyfly Kite.  It is the center fly-line that has the specialized mid-line loop where the safety (bungee) line attaches.  This product comes with the center fly-line and red safety (bungee) line.

The fly-line is high-quality European-made Dyneema with a 700+ lbs. (320kg) test rating.

Flyline is GREY  or WHITE line with color-coded sleeving on the ends, and is the specialized center line with the mid-line stitched-in loop that attaches to the Mini-5th (Bungee) safety line. It includes the red safety line.